Profile Racing Spline Drive Sprocket, 28t Black for 19mm 48 Spline Spindles - PSDCW28BLK
Profile Racing Spline Drive Sprocket, 28t Black for 19mm 48 Spline Spindles - PSDCW28BLK, Profile spline drive sprocket is CNC machined from 7075 Aluminum in the USA. Requires no sprocket bolt. Instead, it has a hardened chromoly steel insert in that matches up to the 48 splines on the crank axle for pure, direct power transfer. Specs: Tooth Count28teeth InterfaceSpline Drive Defined ColorBlack Weight (oz)2.7 AdaptorNone MaterialAluminum ColorBlack Chain Width1/8" Bore19mm